PHOSPHORUS YLIDES, METHOD FOR THEIR PREPARING AND INTERMEDIATE COMPOUNDS Russian patent published in 2003 - IPC

Abstract RU 2205842 C2

FIELD: organophosphorus compounds. SUBSTANCE: invention relates to novel phosphorus ylides of the formula (I): where R1, R2, R3 represent amino-group R'R''N where R' and R'' represent C1-C6-alkyl; R4 represents H, Me; R5 represents polymeric carrier of polystyrene type of the formula (S): where n, n' and m are whole numbers = 1 or more. Compounds of the formula (I) can be used as slightly nucleophilic strong bases. Invention describes also intermediate compounds of the formula: where R1-R5 mean above indicated values; Y means anion. EFFECT: improved preparing method, valuable chemical properties of compounds. 4 cl, 1 tbl, 9 ex

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RU 2 205 842 C2

Authors

Bertran Gi

Big Denni

Kazo Zhan-Bernar

Gumri Stefani

Gerre Oliv'E

Dates

2003-06-10Published

1998-05-26Filed